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New Member

What this command ?

Hi....everyone!

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service compress-config

service hide-telnet-addresses

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Above configuration is a portion of my Catalyst 4506 switch.

what's the function this command ?

Thank you.

  • Other Network Infrastructure Subjects
2 ACCEPTED SOLUTIONS

Accepted Solutions

Re: What this command ?

Hi Friend,

1) The first command is used to compress startup configuration files, use the service compress-config command in global configuration mode.

After you configure the service compress-config command, the router will compress configuration files every time you save a configuration to the startup configuration. For example, when you enter the copy system:running-config nvram:startup-config command, the running configuration will be compressed before storage in NVRAM

Check this link more details

http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124tcr/tcf_r/cf_06ht.htm#wp1035002

2) For second command is to hide addresses while trying to establish a Telnet session, use the service hide-telnet-address command in global configuration mode

When you attempt to connect to a device, the router displays addresses and other messages (for example, "Trying router1 (171.69.1.154, 2008)...)." With the hide feature, the router suppresses the display of the address (for example, "Trying router1 address #1..."). The router continues to display all other messages that would normally be displayed during a connection attempt, such as detailed error messages if the connection was not successful

Check this link for more details and usage guide lines for this command

http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124tcr/tcf_r/cf_06ht.htm#wp1035321

HTH, if yes please rate the post.

Ankur

Cisco Employee

Re: What this command ?

service compress-config compresses startup-configs before it is stored in flash. This is helpful for larger configuration files that may become to large to be stored in the limited space on the flash.

The service hide-telnet-address command I believe suppresses the address when trying to establish a telnet session, but I will have to verify that and get back to you on it.

3 REPLIES

Re: What this command ?

Hi Friend,

1) The first command is used to compress startup configuration files, use the service compress-config command in global configuration mode.

After you configure the service compress-config command, the router will compress configuration files every time you save a configuration to the startup configuration. For example, when you enter the copy system:running-config nvram:startup-config command, the running configuration will be compressed before storage in NVRAM

Check this link more details

http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124tcr/tcf_r/cf_06ht.htm#wp1035002

2) For second command is to hide addresses while trying to establish a Telnet session, use the service hide-telnet-address command in global configuration mode

When you attempt to connect to a device, the router displays addresses and other messages (for example, "Trying router1 (171.69.1.154, 2008)...)." With the hide feature, the router suppresses the display of the address (for example, "Trying router1 address #1..."). The router continues to display all other messages that would normally be displayed during a connection attempt, such as detailed error messages if the connection was not successful

Check this link for more details and usage guide lines for this command

http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124tcr/tcf_r/cf_06ht.htm#wp1035321

HTH, if yes please rate the post.

Ankur

New Member

Re: What this command ?

Hi, Friend

Thank you very much for your detail answer.

Have a nice one !

Cisco Employee

Re: What this command ?

service compress-config compresses startup-configs before it is stored in flash. This is helpful for larger configuration files that may become to large to be stored in the limited space on the flash.

The service hide-telnet-address command I believe suppresses the address when trying to establish a telnet session, but I will have to verify that and get back to you on it.

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